发明申请
- 专利标题： Brace rotating mechanism
- 专利标题（中）： 支架旋转机构
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申请号： US10990709申请日： 2004-11-17
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公开(公告)号： US20050092891A1公开(公告)日： 2005-05-05
- 发明人: Eiichi Shirayanagi , Fumiyoshi Furuki
- 申请人： Eiichi Shirayanagi , Fumiyoshi Furuki
- 专利权人： Yamaha Corporation
- 当前专利权人： Yamaha Corporation
- 优先权： JP2002-135507 20020510
- 主分类号： F16M11/10
- IPC分类号： F16M11/10 ; G10C3/02 ; A47J37/12
摘要：
A brace is provided so as to be able to maintain the open position of a lid of a keyboard musical instrument (grand piano), is able to rotate between an erect position that maintains an open position of lid and a collapsed position, and is able to be self-standing in the erect position. A position regulating section is provided between brace and body of grand piano that maintains an angle of rotation of brace at a constant angle.
公开/授权文献
- US07267316B2 Brace rotating mechanism 公开/授权日：2007-09-11
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